Cheng is also dedicated to philanthropic work, supporting organizations that promote education and healthcare. Her charitable efforts have earned her recognition and respect from the community.
In the 1980s, Cheng expanded her career into the music industry, releasing several Cantonese pop albums. Her hit singles, such as "The Moonlight" and "Love Me Once More," topped the charts and solidified her position as a talented singer.
In addition to her entertainment career, Cheng has ventured into entrepreneurship. She owns a chain of restaurants and has invested in various business ventures.